side curtains. Type 30 Saloon inspection car - fully enclosed Type 40 Large saloon inspection car Type 42 Large saloon inspection car and officials' luxury saloons This list is almost certainly incomplete, and the system used for numbering is not self-evident, though smaller trolleys generally have smaller 'type' designations. In later years, Wickham added crane cars to its range of rail maintenance vehicles. This info taken from manufacturers brochures. Type CT15C Enclosed or semi-open cab for 4. Four cylinder diesel. Hydraulic crane lifting to 670 kg. Trailer load to 35 tons. Type CT30C Enclosed cab for 3. Six cylinder diesel. Hydraulic crane lifting to 3,500 kg. Payload 6.5 tons, trailer load up to 180 tons. Type CT40C Enclosed cab for 3. Six cylinder diesel. Hydraulic crane lifting to 3,500 kg. Payload 5 tons, trailer load up to 9 tons. Available without the crane as type CT40. Type CT50C Various cab designs for up to 16 persons. Hydraulic crane of various capacities available. Six cylinder diesel. Payload 10 tons, trailing load 200 tons. London and North Eastern Railway In the early 1930s the London and North Eastern Railway bought a large number of type 17 rail trolleys. Many of these survived into nationalisation in 1948, and survivors from the LNER make up the main part of the surviving pre-war trolleys. British Railways One of the best known versions was that used on British Railways as the type No.27 Gang and Inspection trolley. It was introduced in 1948, and over 600 were built between then and 1990. Railcars built for British Rail included:- British Rail Railbuses Departmental trolleys British Rail Class 109 Some versions did away with the rear passenger carrying area and used this section for tools and even a diesel generator or air compressor. It was capable of pulling a trailer wagon with tools, but was then restricted to a two-man crew. Military trolleys Type 27 Twenty-five Type 27 trolleys went to the Ministry of Supply and the Ministry of Defence between 1954 and 1960. One was featured in 1966 film The Great St Trinian's Train Robbery, filmed in part on the Longmoor Military Railway. Wickham Armoured Trolley A total of 42 units of an armoured version was produced in 1952 for use by the British Army and security forces during the Malayan Emergency, intended to prevent sabotage of narrow gauge rail lines by communist insurgents. The trolley was armed